CVE-2026-11318

Deferred Deferred - Pending Action

Privilege Escalation in Deskin via Unauthenticated XPC Service

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: VulnCheck

Description

Deskin through 3.3.4.3 contains a privilege escalation vulnerability in the com.deskin.service.installer XPC service that allows local unprivileged attackers to execute arbitrary installer packages as root by connecting to the root-owned service without authentication. Attackers can invoke the privileged installer method to run an attacker-supplied installer, achieving full root compromise of the macOS host.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-08

Last Modified

2026-10-08

Generated

2026-10-09

AI Q&A

2026-10-09

EPSS Evaluated

N/A

NVD

CVE-2026-11318

Affected Vendors & Products

Vendor	Product	Version / Range
Zuler	Technology	DeskIn 0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

Deskin through 3.3.4.3 has a privilege escalation flaw in the com.deskin.service.installer XPC service. Local unprivileged attackers can exploit this by connecting to the root-owned service without authentication. They can then invoke the installer method to run a malicious installer package, gaining full root access to the macOS system.

Detection Guidance

Check if the DeskIn application is installed and verify its version. If it is version 3.3.4.3 or earlier, the system is vulnerable. Look for unauthorized installer packages executed via the com.deskin.service.installer XPC service.

Impact Analysis

This vulnerability allows attackers with local access to gain complete control over your macOS system. They could install malware, steal sensitive data, modify system files, or create persistent backdoors. Even non-admin users could escalate privileges to root, compromising the entire machine.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations may face compliance violations, legal penalties, and reputational damage if exploited.

Mitigation Strategies

Immediately uninstall or disable DeskIn version 3.3.4.3 or earlier. Check for unauthorized installer packages or root processes. Update to the latest version if available.

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